by jbrownkramer, published
When printed at a uniform density (i.e. filled in, not hollow), this polyhedron has the property that it is only stable on one face. That is, it will always topple over an land on one side.
I have not had an opportunity to print them out, so I don't know if they work in practice. My understanding is that they are fairly sensitive to inaccuracies. I have provided a version of the polyhedron that is split in two, in the hope that it will print more accurately and can be glued together.
The existence of these polyhedra was first proven by Conway and Guy.
This particular one was taken from the mathematica notebook found at the article by Pegg, Ed Jr. and Weisstein, Eric W. "Unistable Polyhedron." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/UnistablePolyhedron.html
Give a Shout Out
Unistable Polyhedron by jbrownkramer is licensed under the Creative Commons - Attribution license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is allowed.
Show Some Love
Say thanks by giving jbrownkramer a tip and help them continue to share amazing Things with the Thingiverse community.Tip Designer
We're sure jbrownkramer would love to see what you've printed. Please document your print and share a Make with the community.
To post a Make simply visit this Thing again and click I Made One to start uploading your photo. It’s even easier to post a Make via the Thingiverse Mobile app (available via Google Play and Apple App Store).